PWS: Sock drawer is ill-advised for Grey Market stock as there are no market makers bidding for your shares. Therefore, you run the risk of being unable to sell your stock to realize a useful tax loss that can be applied in part to earned income and in full to capital gains. This is especially true for a large position. Even if you believe in fairy tales, the wise thing is to book a tax loss before the crowd gets the same idea as autumn comes into view. Being stuck in Grey Limbo with no tax loss advantage on the horizon as far the eye can see isn't fun. Besides, you can always buy this junk, er, stock back, most likely at lower prices. If so inclined, make sure to wait 31 days after the sale.